Did You Know Your Eyes Need a Break From Staring at Digital Screens?
Take care of your eyes by following the 20/20/20 rule. Staring at a backlit device such as a smartphone or laptop all day is straining on your eyes. The 20/20/20 rule reduces this. Every 20 minutes, take a 20 second break and let your eyes wander over something six meters (20 ft) in the distance.Source